Golang VirtualContainerHostConfigSpec.BootstrapImagePath方法代碼示例

//.........這裏部分代碼省略.........
		Version: "0.0",
		Key:     conf.ExtensionName,
	}

	conf.AddComponent("vicadmin", &executor.SessionConfig{
		User:  "vicadmin",
		Group: "vicadmin",
		Cmd: executor.Cmd{
			Path: "/sbin/vicadmin",
			Args: []string{
				"/sbin/vicadmin",
				"-docker-host=unix:///var/run/docker.sock",
				// FIXME: hack during config migration
				"-insecure",
				"-ds=" + conf.ImageStores[0].Host,
				"-cluster=" + settings.ClusterPath,
				"-pool=" + settings.ResourcePoolPath,
				"-vm-path=" + vm2.InventoryPath,
			},
			Env: []string{
				"PATH=/sbin:/bin",
			},
			Dir: "/home/vicadmin",
		},
		Restart: true,
	},
	)

	if conf.HostCertificate != nil {
		d.VICAdminProto = "https"
		d.DockerPort = fmt.Sprintf("%d", opts.DefaultTLSHTTPPort)
	} else {
		d.VICAdminProto = "http"
		d.DockerPort = fmt.Sprintf("%d", opts.DefaultHTTPPort)
	}

	conf.AddComponent("docker-personality", &executor.SessionConfig{
		Cmd: executor.Cmd{
			Path: "/sbin/docker-engine-server",
			Args: []string{
				"/sbin/docker-engine-server",
				//FIXME: hack during config migration
				"-serveraddr=0.0.0.0",
				"-port=" + d.DockerPort,
				"-port-layer-port=8080",
			},
			Env: []string{
				"PATH=/sbin",
			},
		},
		Restart: true,
	},
	)

	conf.AddComponent("port-layer", &executor.SessionConfig{
		Cmd: executor.Cmd{
			Path: "/sbin/port-layer-server",
			Args: []string{
				"/sbin/port-layer-server",
				//FIXME: hack during config migration
				"--host=localhost",
				"--port=8080",
				"--insecure",
				"--sdk=" + conf.Target.String(),
				"--datacenter=" + settings.DatacenterName,
				"--cluster=" + settings.ClusterPath,
				"--pool=" + settings.ResourcePoolPath,
				"--datastore=" + conf.ImageStores[0].Host,
				"--vch=" + conf.ExecutorConfig.Name,
			},
		},
		Restart: true,
	},
	)

	conf.BootstrapImagePath = fmt.Sprintf("[%s] %s/%s", conf.ImageStores[0].Host, d.vmPathName, settings.BootstrapISO)

	spec, err = d.reconfigureApplianceSpec(vm2, conf, settings)
	if err != nil {
		log.Errorf("Error while getting appliance reconfig spec: %s", err)
		return err
	}

	// reconfig
	info, err = tasks.WaitForResult(d.ctx, func(ctx context.Context) (tasks.ResultWaiter, error) {
		return vm2.Reconfigure(ctx, *spec)
	})

	if err != nil {
		log.Errorf("Error while setting component parameters to appliance: %s", err)
		return err
	}
	if info.State != types.TaskInfoStateSuccess {
		log.Errorf("Setting parameters to appliance reported: %s", info.Error.LocalizedMessage)
		return err
	}

	d.appliance = vm2
	return nil
}

// Upgrade will try to upgrade vch appliance to new version. If failed will try to roll back to original status.
func (d *Dispatcher) Upgrade(vch *vm.VirtualMachine, conf *config.VirtualContainerHostConfigSpec, settings *data.InstallerData) (err error) {
	defer trace.End(trace.Begin(conf.Name))

	d.appliance = vch

	// update the displayname to the actual folder name used
	if d.vmPathName, err = d.appliance.FolderName(d.ctx); err != nil {
		log.Errorf("Failed to get canonical name for appliance: %s", err)
		return err
	}

	ds, err := d.session.Finder.Datastore(d.ctx, conf.ImageStores[0].Host)
	if err != nil {
		err = errors.Errorf("Failed to find image datastore %q", conf.ImageStores[0].Host)
		return err
	}
	d.session.Datastore = ds
	if !conf.HostCertificate.IsNil() {
		d.VICAdminProto = "https"
		d.DockerPort = fmt.Sprintf("%d", opts.DefaultTLSHTTPPort)
	} else {
		d.VICAdminProto = "http"
		d.DockerPort = fmt.Sprintf("%d", opts.DefaultHTTPPort)
	}

	if err = d.uploadImages(settings.ImageFiles); err != nil {
		return errors.Errorf("Uploading images failed with %s. Exiting...", err)
	}

	conf.BootstrapImagePath = fmt.Sprintf("[%s] %s/%s", conf.ImageStores[0].Host, d.vmPathName, settings.BootstrapISO)

	// ensure that we wait for components to come up
	for _, s := range conf.ExecutorConfig.Sessions {
		s.Started = ""
	}

	snapshotName := fmt.Sprintf("%s %s", UpgradePrefix, conf.Version.BuildNumber)
	snapshotName = strings.TrimSpace(snapshotName)
	snapshotRefID, err := d.createSnapshot(snapshotName, "upgrade snapshot")
	if err != nil {
		d.deleteUpgradeImages(ds, settings)
		return err
	}
	defer func() {
		if err == nil {
			// do clean up aggressively, even the previous operation failed with context deadline excceeded.
			d.deleteSnapshot(*snapshotRefID, snapshotName, conf.Name)
		}
	}()

	if err = d.update(conf, settings); err == nil {
		return nil
	}
	log.Errorf("Failed to upgrade: %s", err)
	log.Infof("Rolling back upgrade")

	// reset timeout, to make sure rollback still happens in case of deadline exceeded error in previous step
	var cancel context.CancelFunc
	d.ctx, cancel = context.WithTimeout(context.Background(), settings.RollbackTimeout)
	defer cancel()

	if rerr := d.rollback(conf, snapshotName); rerr != nil {
		log.Errorf("Failed to revert appliance to snapshot: %s", rerr)
		// return the error message for upgrade, instead of rollback
		return err
	}

	d.deleteUpgradeImages(ds, settings)
	log.Infof("Appliance is rollback to old version")
	return err
}